package kr.hkit.androidcomplete03.ch28;

import java.io.FileInputStream;
import java.io.FileNotFoundException;

import kr.hkit.androidcomplete03.R;
import android.app.Activity;
import android.app.DownloadManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;

public class DownLoadManager extends Activity {
	DownloadManager mDm;
	long mId=0;
	ImageView image;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.downloadmanager);
		
		mDm=(DownloadManager) getSystemService(Context.DOWNLOAD_SERVICE);
		image=(ImageView) findViewById(R.id.image);
	}
	
	protected void onPause() {
		super.onPause();
		if(mId !=0){
			unregisterReceiver(mDownComplete);
		}
	}
	BroadcastReceiver mDownComplete=new BroadcastReceiver(){
		public void onReceive(Context context,Intent intent) {
			Toast.makeText(context, "다운로드 완료", Toast.LENGTH_LONG).show();
		}
	};
	public void mOnClick(View v){
		switch(v.getId()){
		case R.id.btnqueue:
			Uri uri=Uri.parse("http://developer.android.com/images/home/kk-hero.jpg");
			DownloadManager.Request req=new DownloadManager.Request(uri);
			req.setTitle("테스트다운로드");
			req.setDescription("이미지 파일을 다운로드 받습니다");
			req.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI|DownloadManager.Request.NETWORK_MOBILE);
			
			mId=mDm.enqueue(req);
			
			IntentFilter filter=new IntentFilter();
			filter.addAction(DownloadManager.ACTION_DOWNLOAD_COMPLETE);
			
			registerReceiver(mDownComplete, filter);
			break;
		case R.id.btnview:
			try{
				ParcelFileDescriptor file;
				file=mDm.openDownloadedFile(mId);
				FileInputStream fis=new ParcelFileDescriptor.AutoCloseInputStream(file);
				Bitmap bm=BitmapFactory.decodeStream(fis);
				image.setImageBitmap(bm);
			}catch (FileNotFoundException e){
				Toast.makeText(this, "파일이 없음", Toast.LENGTH_LONG).show();
			}
			break;
		case R.id.btndelete:
			if(mDm.remove(mId)==1){
				Toast.makeText(this, "삭제완료", Toast.LENGTH_LONG).show();
				image.setImageBitmap(null);
			}
			break;
		}
	}
	
}
